A helicopter rotor head structure comprises a hub, a holder, a bearing and a pitch change mechanism. The hub is provided at the top of a main rotor mast. A connecting shaft is provided in the hub. An end of the connecting shaft extends to the outside of the hub and has the bearing sleeved thereon. The end of the holder facing away from a blade is sleeved on the bearing, and is rotationally connected to the connecting shaft. The bearing comprises an angular contact bearing, a thrust roller bearing and a deep groove ball bearing which are provided in sequence in the length of the connecting shaft. The pitch change mechanism is sleeved on the main rotor mast, and is connected to the holder.


    Access

    Download


    Export, share and cite



    Title :

    HELICOPTER ROTOR HEAD STRUCTURE


    Contributors:
    ZHANG BO (author)

    Publication date :

    2025-06-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



    Helicopter rotor head structure

    ZHANG BO | European Patent Office | 2025

    Free access

    HELICOPTER ROTOR HEAD

    MEDVEDEV VLADIMIR MIKHAJLOVICH / SIGAEV VIKTOR ALEKSEEVICH / SHIBANOV YURIJ VIKTOROVICH | European Patent Office | 2017

    Free access

    HELICOPTER ROTOR HEAD, MULTIROTOR HELICOPTER, AND HELICOPTER

    UEBORI TAKAKAZU / SUZUKI SHUNICHI | European Patent Office | 2017

    Free access

    Helicopter rotor head, multirotor helicopter, and helicopter

    UEBORI TAKAKAZU / SUZUKI SHUNICHI | European Patent Office | 2020

    Free access

    Helicopter Rotor Head, Multirotor Helicopter, and Helicopter

    UEBORI TAKAKAZU / SUZUKI SHUNICHI | European Patent Office | 2019

    Free access